Diana Vreeland famously said, "You don't have to be born beautiful to be wildly attractive."

Her wise words are supported by science. All too often we assume good looks and charisma are innate qualities bestowed to a handful of lucky people at birth.

Research suggests otherwise. There is so much more to personal appeal than being pretty. Attractiveness and magnetism have much more to do with inner radiance and easily adaptable aspects of yourself.

Now, it's your turn to shine.

Here are nine strategies you can use to make yourself irresistible.

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1. Enhance your charisma

Inspire a gravitational pull by lowering the intonation of your voice at the end of your sentences, reducing how quickly and often you nod your head and pausing for two full seconds before you speak. These subtle behavioral changes convey presence, power and warmth.

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2. Dress the part

Clothes have an impact on how people see you and on how you see yourself. Make an effort to look tidy and pulled together. Research shows that dressing in flattering, well-tailored clothes increases personal appeal. Wearing something you feel good in also boosts self-confidence and openness.

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3. Strike a power pose

An easy way to improve sex appeal and feel more powerful is to improve your posture. Not only does better posture attract positive attention, it can actually make you feel stronger and improve your mood.

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4. Be interesting and interested

Strive to be a good listener. Giving someone your full attention is a powerful seduction tool. That means leaving your phone in your handbag and resisting the impulse to take a photo of your entrée.

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5. Smell good

People who smell nice are perceived as more likeable. Studies show that personal grooming matters a great deal. Taking the time to take care of oneself — filing your nails, washing your hair, applying a fragrance — isn't vain or "high maintenance." On the contrary, self-care is considered a sign of psychological health and is appealing to others.

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6. Show off your pearly whites

A smile works wonders. In addition to appearing more attractive, research shows a smile makes you look more approachable, fun, and engaging.

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7. Glow from the inside

Complexion counts. A diet rich in fruit and vegetables brightens skin and promotes a healthy appearance. Carrots and tomatoes are natural skin-enhancers. Studies show they give a golden glow that is perceived as more attractive than a suntan.

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8. Wear red

If you want to attract the attention of a potential mate, throw on a red dress. This is known as "the red dress effect." In addition to drawing others to you, researchers believe that wearing red alters self-perception and makes you feel stronger and sexier. Red lipstick works, too!

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9. Be nice

People who are kind are considered more attractive. This is known as the " halo effect" — people who are perceived as "good" become more beautiful in our eyes.